package com.sky.controller.admin;

import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.result.PageResult;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Set;

/**
 * 菜品管理
 */
@RestController
@RequestMapping("/admin/dish")
@Api(tags = "菜品相关接口")
@Slf4j
public class DishController {

    @Autowired
    private DishService dishService;

    @Autowired
    private RedisTemplate redisTemplate;

    /**
     * 新增菜品
     * @param dishDTO
     * @return
     */
    @PostMapping
    @ApiOperation("新增菜品")
    public Result save(@RequestBody DishDTO dishDTO){
        log.info("新增菜品：{}",dishDTO);
        dishService.saveWithFlavor(dishDTO);

        //清理缓存数据
        String key = "dish-"+dishDTO.getCategoryId();
        //redisTemplate.delete(key);
        cleanCache(key);
        return Result.success();
    }


    /**
     * 菜品分页查询
     * @param dishPageQueryDTO
     * @return
     */
    @GetMapping("/page")
    @ApiOperation("菜品分页查询")
    public Result<PageResult> page(DishPageQueryDTO dishPageQueryDTO){
        log.info("菜品分页查询:{}",dishPageQueryDTO);
        PageResult pageResult = dishService.pageQuery(dishPageQueryDTO);
        return Result.success(pageResult);
    }


    /**
     * 菜品批量删除
     * @param ids
     * @return
     */
    @DeleteMapping
    @ApiOperation("菜品批量删除")
    public Result delete(@RequestParam List<Long> ids) {//@RequestParam动态解析字符串
    log.info("菜品批量删除：{}",ids);
    dishService.deleteBatch(ids);

    //将所有的菜品缓存数据清理掉，所有dish开头的key
      /* String keys = redisTemplate.keys("dish-*");*/
        //redisTemplate.delete(keys);
        cleanCache("dish-*");

        return Result.success();
    }

    /**
     * 根据ID查询菜品
     * @param id
     * @return
     */
    @GetMapping("/{id}")
    @ApiOperation("根据ID查询菜品")
    public Result<DishVO> getById(@PathVariable Long id){
        log.info("根据ID查询菜品：{}",id);

        DishVO dishVO=dishService.getByIdWithFlavor(id);

        return Result.success(dishVO);
    }


    /**
     * 修改菜品
     * @param dishDTO
     * @return
     */
    @PutMapping
    @ApiOperation("修改菜品")
    public Result update(@RequestBody DishDTO dishDTO){
    log.info("修改菜品:{}",dishDTO);
    dishService.updateWithFlavor(dishDTO);

        //将所有的菜品缓存数据清理掉，所有dish开头的key
       /* Set keys = redisTemplate.keys("dish-*");
        redisTemplate.delete(keys);*/
        cleanCache("dish-*");

        return Result.success();
    }

    /**
     * 起售禁售菜品
     * @param status
     * @param id
     * @return
     */
    @PostMapping("/status/{status}")
    @ApiOperation("起售禁售菜品")
    public Result<String> startOrStop(@PathVariable("status") Integer status, Long id){
        dishService.startOrStop(status,id);

        //将所有的菜品缓存数据清理掉，所有dish开头的key
      /*  Set keys = redisTemplate.keys("dish-*");
        redisTemplate.delete(keys);*/
        cleanCache("dish-*");

        return Result.success();
    }


    /**
     * 根据分类ID查找菜品（套餐）
     */
    @GetMapping("/list")
    @ApiOperation("根据分类id查询菜品")
    public Result<List<Dish>> list(Long categoryId){

        List<Dish> list = dishService.list(categoryId);

        return Result.success(list);

    }

    /**
     * 清理缓存数据
     * @param pattern
     */
    private void cleanCache(String pattern){
       Set keys = redisTemplate.keys(pattern);
        redisTemplate.delete(keys);

    }
}
